The Medal Society of Ireland was founded in 1986. The society promotes and supports the collecting and study of medals, badges, arms and armour and militaria in their various collecting forms, with a special emphasis on Irish and Irish related material. Areas covered include:

The disbanded and existing Irish regiments of the British Army.

The Militia and Volunteers in Ireland.

Irish individuals and units who saw service in British Empire, Commonwealth and overseas armies and civil emergency services.

The Royal Irish Constabulary, Dublin Metropolitan Police, Royal Ulster Constabulary and Garda Siochana.

The Irish Defence Forces since 1922.

The Civil and Emergency Services of the Republic of Ireland and Northern Ireland.